Behavioral task
behavioral1
Sample
2024-04-22_a84ac60663d2a837b5f95def5cfae2b2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_a84ac60663d2a837b5f95def5cfae2b2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_a84ac60663d2a837b5f95def5cfae2b2_cryptolocker
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Size
39KB
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MD5
a84ac60663d2a837b5f95def5cfae2b2
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SHA1
b41fd2d323edfa4feecff69418d0da91371835ad
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SHA256
1a1206998081f1941b160d142050833623213238366ef7d7cee9b7f566a5fb1f
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SHA512
97ac3d886326691ad392fbc17d4e75b78d74dc89b93f514c111b501cc04ccdd4f4b14247cb5f94e03dd118b94d061df47227357ded27ef0aff3b928eb11c648e
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHzC:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKO
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-22_a84ac60663d2a837b5f95def5cfae2b2_cryptolocker
Files
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2024-04-22_a84ac60663d2a837b5f95def5cfae2b2_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE